Erection of the hulls and the like of flying machines



, 1,618,536 Feb. 22, 1927- JUNKERS ERECTION OF THE HULLS AND THE LIKE 0F FLYING MACHINES Filed Jul.v 22. 1925 Patented Feb. 22, 1927- I y UNITED STATES PATENT orricnj or nnssnu, Gm;

nan-anon or m BULLS mannrim or r-Lvmo IACHINES.

Application fled m 22, 1925, Serial mi. 45,390, and in Germany August 8,.1924.

' My invention refers to the erection and aswhich are so arranged that the girder can sembling of the skeleton and covering of the easily be disengaged therefrom. f bull or fuselage and similar hollow bodies; In the drawings aiiixed to this specilica-' forming part of an aeroplane or other flytion' and forming part thereof a device em 5 5 ing machine. It is an object of my invenbodyingm invention is'illustrated dia'gram tion to provide means whereby such bodies matically y way of example. can be erected and assembled inan easier In the drawings i and more effectivemanner than was hither- Fig. 1 is a perspective view of a longitudi to ssiblc. nal support or girder supported at its ends 60 ccordmg to the present invention the and carrying the templets and/or cross hollow body to be erected is built around a frames of the tail portion of a fuselage. longitudinalsupport or girder supported at Fig. 2 is a cross section. I its ends and carrying the templets or the Fig. 3 is a perspective view of a fixture like. By thus supporting all the templets su porting the fore part of a fuselage. 6 on a rigid inner support or girder the eneferring first to Fig. 1, 1- is a lattice tire body is rendered freely accessible from girder rotatably and disengageably mounted without in all phases of erection and the with journals 2 in two supports 3. 'Tem cross frames can easily be mounted in place. plets 4 are mounted on the girder 1 for In the construction of fuselages for flying holding the single parts of the fuselage in 70 machines that part of the fuselage which correct position.

connects the wings, rudders or elevators on Fig. 2 shows the way in which the cross the one hand and the part carrying the enframes 6 are mounted onthe templets 4.

gine, crew and passengers on the other hand A pin 9 in the rear support 3, which can be can be erected separately and are then only inserted in the stern portion of theffuselage put together. This involves a. great simallows fixing the fuselage inposition and lification inasmuch as in assembling the prevents its rotation about the journals '2.

rst mentioned art of the fuselage no con- By withdrawing the pin 9 the fuselagefcan sideration need he paid to the single frames easily be rotated about its longitudinal axis, v required for supporting the engine in thethereby rendering all parts readily?- accesso front portion of the craft, these frames as a sible; Fig. '1 further shows how, after'the rule forming an obstacle to the erection of cross frames 6 have been mounted in place the other parts of the hull. a on the girder and templets, the longron- By'aid of the present invention I am also 7 and the outer skin 10 which also serves enabled to easily and simply erect flying as a longitudinal bracing member can be 85 :5 machines in which a wing structure extendmounted on the cross frames 6. y a

ing right across the fuselage carries not only The fixture 11 illustrated in Fig. 3 and the fore part of the fuselage and the en e, serving for the construction of the fore part but abo the tail portion of the 'fuse age, of the fuselage has a number of adjustable each of these parts forming a. structural P1115 or bolts 12 serving for fixingin place .90

' 40- unit. the main frame 13, and longrons 14, which fixation in place of I further prov'ide an exterior fixture for have previously beenconsti'ucted and are the construction of the fore part of the hull now connected with each other to form the designed to take up the engine, this fixture. skeleton. The covering is mounted in place together with the temtplets required for the after the skeleton has been removed from efseveral parts surthe fixture. rounding it from without. The two sparts of the fuselage erected sepa- In a preferred form of my invention the rately as own in Figs. 1 and 3 are then inner support has the form of a li t latconnected by intermediate tree or struts or tice girder which carries the temp ets for are mounted together on the central section loo so the main parts to be mounted in place and or the r which is mounted at its ends in I it to be understood that I do not desire to be limited to the exact details of construction shown and described for obvi ous modifications will occur to a person skilled in the art. 5 I claim:--

The method of, building the fuselage of a flying machine comprisin assembling the parts constituting the rear alf of the fuselage around a rotar template support, the garts constituting t e'front half which is esigned to carry the 'fengine,within a templet carrying jig, stripplng the halves thus produced from their supports and uniting said halves.

In testimony whereof I afiix my signature.

' HUGO J UN KERS. 

